A Portable and Easily Constructed Manual Water Pump – Part 2, by G.G.
Parts Required First, here is a picture of the necessary parts. All metal parts are made of brass, and all plastic parts are made of PVC. Brass parts and seal: 1 @ 1/2” x 3” brass nib 2 @ 1/2” x 1” brass nibs 2 @ 1/2” threaded brass coupler 1 @ 1/2” threaded brass ring/nut (I had to sand mine down as it was hexagonal) 1 @ piston cup seal – McMaster Carr part # 9411K12 1 @ 1/2” brass check valve (I used Merril 800 series CV50) 1 @ 1 1/2” brass check valve with filter screen PVC …